This paper presents a test of intermodal interaction between coaches and airlines in Brazil in order to check for the efficacy of recent liberalization measures designed to promote competition in both industries. Interstate travel service in the country is heavily provided by coaches, and the...

Managing water and sanitation services involves a complex task due to the characteristics of the public goods which are involved. The large amount of capital requirements in their very specific forms creates the structure of natural monopolies which require either public operation or strong...